PCNSE · Question #34
PCNSE Question #34: Real Exam Question with Answer & Explanation
The correct answer is A: Configuring the administrative Distance for RIP to be lower than that of OSPF Int.. Administrative Distance (AD) is the trustworthiness metric used to select between routes learned from different routing protocols. A lower AD value means the route is preferred. If the next hop 10.66.24.88 belongs to a RIP-learned route and the competing route is OSPF Internal, c
Question
Given the following table. Which configuration change on the firewall would cause it to use 10.66.24.88 as the next hop for the 192.168.93.0/30 network?
Options
- AConfiguring the administrative Distance for RIP to be lower than that of OSPF Int.
- BConfiguring the metric for RIP to be higher than that of OSPF Int.
- CConfiguring the administrative Distance for RIP to be higher than that of OSPF Ext.
- DConfiguring the metric for RIP to be lower than that OSPF Ext.
Explanation
Administrative Distance (AD) is the trustworthiness metric used to select between routes learned from different routing protocols. A lower AD value means the route is preferred. If the next hop 10.66.24.88 belongs to a RIP-learned route and the competing route is OSPF Internal, configuring RIP's AD to be lower than OSPF Internal's AD will cause the firewall to prefer the RIP route and install it in the routing table with next hop 10.66.24.88. Option B is wrong because a higher metric makes a route less preferred, not more. Option C would make RIP less preferred than OSPF External. Option D affects metric, not AD - metrics are only compared within the same routing protocol, not across protocols.
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